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Why do we breathe so loudly when we sleep?

During the most peaceful sleep, some people snore obnoxiously loud, ruining the chances of slumber for anyone sharing their bedroom. But even those who don’t snore do breathe louder when they nod off than when they're awake. Why do people breathe so loudly when they sleep? The sound made when...
13 disturbing Halloween horrors come to life

Real-life Halloween horrorsHalloween is a ghoulish time of year, when people tell ghost stories about werewolves, black cats, zombies and vampires. Some of these creepy tales have leaped from the realm of the mythical into real life: humans who felt as though they were transforming into wolves, a man who...

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  1. Can a night owl turn into an early bird?

  2. How to sleep for longer

  3. Why do I feel sleepy after eating?

  4. Why do guys get sleepy after sex?

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Sleep evolved before brains did, study finds
Sleep evolved before brains did, study finds
Our brains need sleep to work properly. But it turns out you don't need a brain to sleep. In a new study, researchers identified a sleep-like state in a tiny, freshwater animal called a hydra, which has a simple anatomy and lacks a brain. We now have strong evidence that...
What are the best supplements for sleep?
What are the best supplements for sleep?
If you are someone who is experiencing poor sleep, you may wish to consider taking a sleep supplement to help improve this. There are numerous sleep supplements widely available that are safe but it can be hard to know which one to choose as their efficacy ranges. Here, we’ve examined...
Can you 'turn off' a nightmare?
Can you 'turn off' a nightmare?
The sheets are damp with sweat. You're cold, but your heart is racing as if an assailant just chased you down a dark street. It was just a nightmare, you tell yourself; there's nothing to be afraid of. But you're still filled with dread. Given how unsettling and haunting nightmares...
Can dehumidifiers help with snoring?
Can dehumidifiers help with snoring?
We’ve all experienced those sticky, hot summer days when the air feels so thick and heavy it’s almost impossible to breathe. Luckily, dehumidifiers can help to remove moisture from the air and make your home feel a little more comfortable. But can dehumidifiers also help with snoring? Dehumidifiers are electrical...
What is sleep hygiene?
What is sleep hygiene?
Trouble sleeping can be one of the most frustrating and debilitating experiences in modern life. This is because sleep affects the brain, and those suffering with insomnia can experience memory lapses, appetite changes and mood swings. According to the journal Sleep, around one third of American adults don’t get the...
How to fall asleep
How to fall asleep
All too often, we take falling asleep for granted. For many of us, all we need to do is change into our pajamas, climb under the covers and fall straight to sleep. But it’s not always that easy. Knowing how to fall asleep is a real problem, bringing with it...
What happens in your brain while you sleep?
What happens in your brain while you sleep?
Our brains are complex and elaborate. They contain billions of neurons, don't fully form until we reach age 25, and can generate around 25 watts of power — enough to illuminate a light bulb. Scientists are constantly learning new information about how the brain functions, but what do we know...
Why do we sleep? The answer may change right before we turn 3.
Why do we sleep? The answer may change right before we turn 3.
Humans spend about a third of our lives sleeping, and scientists have long debated why slumber takes up such a huge slice of our time. Now, a new study hints that our main reason for sleeping starts off as one thing, then changes at a surprisingly specific age. Two leading...

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